<html lang="en">
<head>
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>
    <title>We've got some trouble | 400 - Bad Request</title>
    <style type="text/css">/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */
    html {
        font-family: sans-serif;
        line-height: 1.15;
        -ms-text-size-adjust: 100%;
        -webkit-text-size-adjust: 100%
    }

    body {
        margin: 0
    }

    article, aside, footer, header, nav, section {
        display: block
    }

    h1 {
        font-size: 2em;
        margin: .67em 0
    }

    figcaption, figure, main {
        display: block
    }

    figure {
        margin: 1em 40px
    }

    hr {
        box-sizing: content-box;
        height: 0;
        overflow: visible
    }

    pre {
        font-family: monospace, monospace;
        font-size: 1em
    }

    a {
        background-color: transparent;
        -webkit-text-decoration-skip: objects
    }

    a:active, a:hover {
        outline-width: 0
    }

    abbr[title] {
        border-bottom: none;
        text-decoration: underline;
        text-decoration: underline dotted
    }

    b, strong {
        font-weight: inherit
    }

    b, strong {
        font-weight: bolder
    }

    code, kbd, samp {
        font-family: monospace, monospace;
        font-size: 1em
    }

    dfn {
        font-style: italic
    }

    mark {
        background-color: #ff0;
        color: #000
    }

    small {
        font-size: 80%
    }

    sub, sup {
        font-size: 75%;
        line-height: 0;
        position: relative;
        vertical-align: baseline
    }

    sub {
        bottom: -.25em
    }

    sup {
        top: -.5em
    }

    audio, video {
        display: inline-block
    }

    audio:not([controls]) {
        display: none;
        height: 0
    }

    img {
        border-style: none
    }

    svg:not(:root) {
        overflow: hidden
    }

    button, input, optgroup, select, textarea {
        font-family: sans-serif;
        font-size: 100%;
        line-height: 1.15;
        margin: 0
    }

    button, input {
        overflow: visible
    }

    button, select {
        text-transform: none
    }

    [type=reset], [type=submit], button, html [type=button] {
        -webkit-appearance: button
    }

    [type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner, button::-moz-focus-inner {
        border-style: none;
        padding: 0
    }

    [type=button]:-moz-focusring, [type=reset]:-moz-focusring, [type=submit]:-moz-focusring, button:-moz-focusring {
        outline: 1px dotted ButtonText
    }

    fieldset {
        border: 1px solid silver;
        margin: 0 2px;
        padding: .35em .625em .75em
    }

    legend {
        box-sizing: border-box;
        color: inherit;
        display: table;
        max-width: 100%;
        padding: 0;
        white-space: normal
    }

    progress {
        display: inline-block;
        vertical-align: baseline
    }

    textarea {
        overflow: auto
    }

    [type=checkbox], [type=radio] {
        box-sizing: border-box;
        padding: 0
    }

    [type=number]::-webkit-inner-spin-button, [type=number]::-webkit-outer-spin-button {
        height: auto
    }

    [type=search] {
        -webkit-appearance: textfield;
        outline-offset: -2px
    }

    [type=search]::-webkit-search-cancel-button, [type=search]::-webkit-search-decoration {
        -webkit-appearance: none
    }

    ::-webkit-file-upload-button {
        -webkit-appearance: button;
        font: inherit
    }

    details, menu {
        display: block
    }

    summary {
        display: list-item
    }

    canvas {
        display: inline-block
    }

    template {
        display: none
    }

    [hidden] {
        display: none
    }

    /*! Simple HttpErrorPages | MIT X11 License | https://github.com/AndiDittrich/HttpErrorPages */
    body, html {
        width: 100%;
        height: 100%;
        background-color: #21232a
    }

    body {
        color: #fff;
        text-align: center;
        text-shadow: 0 2px 4px rgba(0, 0, 0, .5);
        padding: 0;
        min-height: 100%;
        -webkit-box-shadow: inset 0 0 100px rgba(0, 0, 0, .8);
        box-shadow: inset 0 0 100px rgba(0, 0, 0, .8);
        display: table;
        font-family: "Open Sans", Arial, sans-serif
    }

    h1 {
        font-family: inherit;
        font-weight: 500;
        line-height: 1.1;
        color: inherit;
        font-size: 36px
    }

    h1 small {
        font-size: 68%;
        font-weight: 400;
        line-height: 1;
        color: #777
    }

    a {
        text-decoration: none;
        color: #fff;
        font-size: inherit;
        border-bottom: dotted 1px #707070
    }

    .lead {
        color: silver;
        font-size: 21px;
        line-height: 1.4
    }

    .cover {
        display: table-cell;
        vertical-align: middle;
        padding: 0 20px
    }

    footer {
        position: fixed;
        width: 100%;
        height: 40px;
        left: 0;
        bottom: 0;
        color: #a0a0a0;
        font-size: 14px
    }</style>
</head>
<body>
<div class="cover">
    <h1>Bad Request
        <small>Error 400</small>
    </h1>
    <p class="lead">The server cannot process the request due to something that is perceived to be a client error.</p>
    <p>报告问题 <a href="https://github.com/renjiahua945/Lumos/issues/new" target="_blank">New Issues</a></p>
</div>
</body>
</html>
